The Belfry Kitchen brand stands for innovative products made of borosilicate glass that make everyday life easier. Our glass containers can be sealed airtight and ensure that the food stays fresh for a long time. In addition, our storage jars are heat -resistant up to 540 degrees Celsius and cold -resistant down to -20 degrees Celsius. Specifications at a glance: Containers are made of sturdy borosilicate glassLids made of polypropylene and the silicone sealHeat resistant up to 540 ° CThermal shock resistance up to 100 ° CCold resistance up to -20 ° CTested for harmful substances without BPALFBGLeak-proofStackableMicrowave- and dishwasher-safe 3 rectangular containers 1 x 370ml (145 x 104 x 47mm) 1 x 640ml (169 x 123 x 53mm) 1 x 1040ml (196 x 146 x 60mm) 3 round containers 1 x 400ml (130 x 52mm) 1 x 620ml (149 x 59mm), 1 x 950ml (172 x 65mm), 3 square containers, 1 x 320ml (112 x 112 x 50mm), 1 x 520ml (130 x 130 x 56mm), 1 x 800ml (150 x 150 x 62mm) and 9 matching lids with click closures.